conn: MetricsPort listener is a listener port

The connection type for the listener part was missing from the "is
connection a listener" function.

This lead to our periodic event that retries our listeners to keep
trying to bind() again on an already opened MetricsPort.

Closes #40370

Signed-off-by: David Goulet <dgoulet@torproject.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/core/mainloop/connection.c b/src/core/mainloop/connection.c
index ada542629a..c827af7a9a 100644
--- a/src/core/mainloop/connection.c
+++ b/src/core/mainloop/connection.c
@@ -4944,6 +4944,7 @@ connection_is_listener(connection_t *conn)
       conn->type == CONN_TYPE_AP_NATD_LISTENER ||
       conn->type == CONN_TYPE_AP_HTTP_CONNECT_LISTENER ||
       conn->type == CONN_TYPE_DIR_LISTENER ||
+      conn->type == CONN_TYPE_METRICS_LISTENER ||
       conn->type == CONN_TYPE_CONTROL_LISTENER)
     return 1;
   return 0;